mean distance 平均距离 ; 平均距離
mean distance between failure 平均故障间隔行程
harmonic mean distance 调和平均距离
geometric mean distance 几何平均距
Mean cone distance [机] 中点锥距 ; 平均圆锥距
geometrical mean distance 几何平均距离
gaseous radiation mean distance 气体射线行程平均长度
mean distance index 平均距离指数
Crater mean distance 月牙洼平均距离
So I look up the distance — - the mean distance to these various planets — and you see that here in millions of kilometers.
我帮你们查阅了一下-，各大行星到太阳的平均距离-，单位是百万千米。
It orbits its star every 4.7 days, in a moderately elliptical orbit at a mean distance of only 0.04 AU (one tenth of Mercury's distance from the sun).
它每4.7天环绕恒星一周，其轨道为一个适度的椭圆，平均距离仅0.04个天文单位(为水星距太阳的十分之一)。
And then his third law was that if you take the orbital period of an ellipse, that is proportional to the third power of the mean distance to the Sun.
第三定律是，椭圆轨道的周期，和距太阳的平均，距离的，立方成比例。
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